Locations are where combinations or single communities of chemosynthetic metazoans have been collected or photographed in the Northern Gulf of Mexico (details of sites and reference list). The fauna distribution (shown in the legend) include vesicomyid or lucinid clams (C), seep mytilids/mussels (M), pogonophoran tubeworms (PG), and vestimentiferan tube worms (V).

Source: Northern Gulf of Mexico Chemosynthetic Ecosystem Final Report volume II: Technical Report, Minerals Management Service OCS Region, OCS Study MMS 95-0022

VESICOMYID or LUCINID, CLAMS (C)	SEEP MYTILIDS, MUSSELS (M)
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POGONOPHORAN TUBEWORMS (PG)	VESTIMENTIFERAN TUBEWORMS (V)

Photograph sources: Stability and Change in Gulf of Mexico Chemosynthetic Communities, OCS Study 2002-035 and 2002-036.